package com.heima.user.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ApUser;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.common.user.dtos.LoginDto;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * APP用户信息表 服务实现类
 * </p>
 *
 * @author cdheima
 */
@Slf4j
@Service
@Transactional
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {

    /**
     * app端登录
     *
     * @param dto
     * @return
     */
    @Override
    public ResponseResult login(LoginDto dto) {
        if (!StringUtils.isBlank(dto.getPhone()) && !StringUtils.isBlank(dto.getPassword())){
            ApUser apUser = getOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone, dto.getPhone()));
            if (apUser==null){
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "用户不存在");
            }

            String salt = apUser.getSalt();
            String password = dto.getPassword()+salt;
            password = DigestUtils.md5DigestAsHex(password.getBytes(Charset.forName("UTF-8")));
            if (password.equals(apUser.getPassword())){
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
            Map<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(apUser.getId().longValue()));
            apUser.setSalt("");
            apUser.setPassword("");
            map.put("user", apUser);
            return ResponseResult.okResult(map);
        }else {
            String token = AppJwtUtil.getToken(01L);
            Map<String, Object> map = new HashMap<>();
            map.put("token", token);
            return ResponseResult.okResult(map);
        }
    }
}
